/**
 * Copyright (c) 2010 by Kevin Bierhoff.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *    3. Neither the names of the authors nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.googlecode.syper.test.javasyp.perm;

import com.googlecode.syper.anno.Excl;
import com.googlecode.syper.anno.Imm;
import com.googlecode.syper.anno.ReturnExcl;

import edu.cmu.cs.crystal.annotations.PassingTest;
import edu.cmu.cs.crystal.annotations.UseAnalyses;

/**
 * Passing permission test cases for array creation and access
 * @author kevin
 * @since Mar 21, 2010
 */
@PassingTest
@UseAnalyses("SymbolicChecker")
public class Arrays {
	
	public static int objectArray(int l) {
		@Excl(elems = "excl") Elem[] os = new Elem[l];
		for (int i = 0; i < os.length; ++i)
			os[i] = new Elem();
		int result = 0;
		for (int i = 0; i < os.length; ++i)
			result += os[i].borrowExcl();
		return result;
	}
	
	@ReturnExcl public static int[][] singleton(int[] i) {
		return new int[][] { i };
	}

	public static void multiDim() {
		@Excl(elems = { "excl", "imm" }) int[][] matrix = new int[5][];
		matrix[4] = new int[] { 42, 43, 44, 45, 46};
	}

	public static void multiDim(@Excl(elems = { "excl", "imm" }) int[][] matrix) {
		matrix[4][3] = 42;
	}

	public static void multiDim2() {
		@Excl(elems = { "excl", "imm" }) int[][] matrix = new int[5][];
		matrix[4] = new int[] { 42, 43, 44, 45, 46};
		matrix[4][3] = 42;
		matrix[4][1] = 76;
	}

	private static class Elem {
		@Excl/*should fail with (borrowed = false)*/ 
		public int borrowExcl() { return hashCode(); }
	}
	
	public static int select(@Excl(elems = "imm") int[] a, int index) {
		return a[index];
	}
	
	public static int assign(@Excl(elems = "imm") int[] a, @Imm(borrowed = false) int index) {
		return a[index] = index;
	}
}
